/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineAchievementsInterface.h
Get all the achievement objects for the specified player
Whether achievements were obtained
[EOnlineCachedResult::Type](API\Plugins\OnlineSubsystem\EOnlineCachedResult__Type) GetCachedAchievements ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & PlayerId, [TArray](API\Runtime\Core\Containers\TArray)< [FOnlineAchievement](API\Plugins\OnlineSubsystem\Interfaces\FOnlineAchievement) > & OutAchievements )